Mount Semeru Erupts on Monday Afternoon, Alert Level Remains at Waspada

Mount Semeru in East Java erupted again on Monday, December 2, 2024, at 1:29 PM WIB. In the last week, Mount Semeru has erupted 20 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column was observed at approximately None meters above the peak (None meters above sea level).

The eruption was not visually observed. The eruption of Mount Semeru was still ongoing at the time of this report.

According to the MAGMA Indonesia volcanic activity report, the activity level of Mount Semeru is at Level II (Alert). Seismic observations on December 2, 2024, from 00.00 to 23.59 WIB showed 89 eruption quakes with amplitudes of 10-22 millimeters and durations of 55-157 seconds.

Then, there was 1 single rockfall event with an amplitude of 6 mm and a duration of 22 seconds, and 9 emission quakes with amplitudes of 3-8 millimeters and durations of 38-88 seconds.

PVMBG advises against any activity in the southeast sector along Besuk Kobokan, up to 13 kilometers from the peak (eruption center). Outside this distance, the public should not engage in activities within 500 meters of the riverbank (river buffer zone) along Besuk Kobokan due to the potential for pyroclastic flow and lava flows extending up to 17 kilometers from the peak.

During 2024, MAGMA Indonesia recorded 5,631 volcanic eruptions/eruptions throughout Indonesia. Mount Ibu in North Maluku had the most eruptions (2,314 eruptions), while Mount Semeru erupted 1,955 times.